High Pressure Manual Diaphragm Valve (HPR)
최고관리자
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4,657
2013.04.26 14:03
Major Specifications
| Size | 1/4″ |
|---|---|
| Cv Value | 0.3 |
| Orifice Size | 4mm |
| Max. Working Pressure (G.) | 24.1MPa |
| Max. Working Temp. | -73℃ ~ 80℃ |
|
Internal Leakage Allowance (He) Test Pressure ≤ 1×10-2 Torr Holding Time ≥ 30 sec. |
1x10-10Pa · m3/s |
|
External Leakage Allowance (He) Test Pressure ≤ 1×10-2 Torr Holding Time ≥ 1 min. |
1x10-10Pa · m3/s |
|
Particle Inspection (EP only) Pressure : 60~80psi N2 Gas Sample Volume : 1CFM 0.1㎛ and Larger |
No count |
| GRADE | AP | BA | EP |
|---|---|---|---|
|
Inner Surface Roughness |
Ry ≤ 25㎛ Cut off Length : 2.5mm Measuring Length : 12.5mm |
Ry ≤ 3.0㎛ 10 μinch Ra(Avg.) Cut off Length : 0.8mm Measuring Length : 4mm |
Ry ≤ 0.7㎛ 5 μinch Ra(Avg.) Cut off Length : 0.25mm Measuring Length : 1.25mm |
| Polishing | Machining Finish | Machining Finish | Electro Polishing Finish |
| NO. | NAME | MATERIAL |
|---|---|---|
| 1 | Body |
316L Stainless Steel 316L Stainless Steel Remelted |
| 2 | Seat | PCTFE |
| 3 | Diaphragm | Ni-Co Alloy |
| 4 | Handle | ALUMINUM |
| MATERIAL | SIZE | HANDLE | CONNECTION | GRADE | |||||
|---|---|---|---|---|---|---|---|---|---|
| S | 316L Stainless Steel | 4 | 1/4″ | HPR | ROUND HANDLE | VM | MFS Male | AP | AP Grade |
| D | 316L Stainless Steel Remelted | - | - | HPL | LEVER HANDLE | VF | MFS Female | BLANK | BA Grade |
| - | - | - | - | - | - | SW | Lok | P | EP Grade |
| - | - | - | - | - | - | - | - | - | - |
| ROUND HANDLE | CONNECTION | SIZE | A | B | C | D | E | F |
|---|---|---|---|---|---|---|---|---|
| MFS Male | 1/4″ | 58.4 | 11.4 | 76 | 48 | 26.9 | 25.4 | |
| MFS Female | 1/4″ | 70.1 | 11.4 | 76 | 48 | 26.9 | 25.4 | |
| Lok | 1/4″ | 68.2 | 11.4 | 76 | 48 | 26.9 | 25.4 |